You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
260 lines
7.6 KiB
260 lines
7.6 KiB
// -----------------------------------------------------------------------------
|
|
// V9261F based power monitor
|
|
// Copyright (C) 2017-2018 by Xose Pérez <xose dot perez at gmail dot com>
|
|
// -----------------------------------------------------------------------------
|
|
|
|
#if SENSOR_SUPPORT && V9261F_SUPPORT
|
|
|
|
#pragma once
|
|
|
|
#include "Arduino.h"
|
|
#include "BaseSensor.h"
|
|
|
|
#include <SoftwareSerial.h>
|
|
|
|
class V9261FSensor : public BaseSensor {
|
|
|
|
public:
|
|
|
|
// ---------------------------------------------------------------------
|
|
// Public
|
|
// ---------------------------------------------------------------------
|
|
|
|
V9261FSensor(): BaseSensor() {
|
|
_count = 6;
|
|
_sensor_id = SENSOR_V9261F_ID;
|
|
}
|
|
|
|
~V9261FSensor() {
|
|
if (_serial) delete _serial;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------
|
|
|
|
void setRX(unsigned char pin_rx) {
|
|
if (_pin_rx == pin_rx) return;
|
|
_pin_rx = pin_rx;
|
|
_dirty = true;
|
|
}
|
|
|
|
void setInverted(bool inverted) {
|
|
if (_inverted == inverted) return;
|
|
_inverted = inverted;
|
|
_dirty = true;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------
|
|
|
|
unsigned char getRX() {
|
|
return _pin_rx;
|
|
}
|
|
|
|
bool getInverted() {
|
|
return _inverted;
|
|
}
|
|
|
|
// ---------------------------------------------------------------------
|
|
// Sensor API
|
|
// ---------------------------------------------------------------------
|
|
|
|
// Initialization method, must be idempotent
|
|
void begin() {
|
|
|
|
if (!_dirty) return;
|
|
_dirty = false;
|
|
|
|
if (_serial) delete _serial;
|
|
|
|
_serial = new SoftwareSerial(_pin_rx, SW_SERIAL_UNUSED_PIN, _inverted, 256);
|
|
_serial->begin(V9261F_BAUDRATE);
|
|
|
|
}
|
|
|
|
// Descriptive name of the sensor
|
|
String description() {
|
|
char buffer[28];
|
|
snprintf(buffer, sizeof(buffer), "V9261F @ SwSerial(%i,NULL)", _pin_rx);
|
|
return String(buffer);
|
|
}
|
|
|
|
// Descriptive name of the slot # index
|
|
String slot(unsigned char index) {
|
|
return description();
|
|
};
|
|
|
|
// Address of the sensor (it could be the GPIO or I2C address)
|
|
String address(unsigned char index) {
|
|
return String(_pin_rx);
|
|
}
|
|
|
|
// Loop-like method, call it in your main loop
|
|
void tick() {
|
|
_read();
|
|
}
|
|
|
|
// Type for slot # index
|
|
unsigned char type(unsigned char index) {
|
|
_error = SENSOR_ERROR_OK;
|
|
if (index == 0) return MAGNITUDE_CURRENT;
|
|
if (index == 1) return MAGNITUDE_VOLTAGE;
|
|
if (index == 2) return MAGNITUDE_POWER_ACTIVE;
|
|
if (index == 3) return MAGNITUDE_POWER_REACTIVE;
|
|
if (index == 4) return MAGNITUDE_POWER_APPARENT;
|
|
if (index == 5) return MAGNITUDE_POWER_FACTOR;
|
|
_error = SENSOR_ERROR_OUT_OF_RANGE;
|
|
return MAGNITUDE_NONE;
|
|
}
|
|
|
|
// Current value for slot # index
|
|
double value(unsigned char index) {
|
|
_error = SENSOR_ERROR_OK;
|
|
if (index == 0) return _current;
|
|
if (index == 1) return _voltage;
|
|
if (index == 2) return _active;
|
|
if (index == 3) return _reactive;
|
|
if (index == 4) return _apparent;
|
|
if (index == 5) return _apparent > 0 ? 100 * _active / _apparent : 100;
|
|
_error = SENSOR_ERROR_OUT_OF_RANGE;
|
|
return 0;
|
|
}
|
|
|
|
protected:
|
|
|
|
// ---------------------------------------------------------------------
|
|
// Protected
|
|
// ---------------------------------------------------------------------
|
|
|
|
void _read() {
|
|
|
|
static unsigned char state = 0;
|
|
static unsigned long last = 0;
|
|
static bool found = false;
|
|
static unsigned char index = 0;
|
|
|
|
if (state == 0) {
|
|
|
|
while (_serial->available()) {
|
|
_serial->flush();
|
|
found = true;
|
|
last = millis();
|
|
}
|
|
|
|
if (found && (millis() - last > V9261F_SYNC_INTERVAL)) {
|
|
_serial->flush();
|
|
index = 0;
|
|
state = 1;
|
|
}
|
|
|
|
} else if (state == 1) {
|
|
|
|
while (_serial->available()) {
|
|
_serial->read();
|
|
if (index++ >= 7) {
|
|
_serial->flush();
|
|
index = 0;
|
|
state = 2;
|
|
}
|
|
}
|
|
|
|
} else if (state == 2) {
|
|
|
|
while (_serial->available()) {
|
|
_data[index] = _serial->read();
|
|
if (index++ >= 19) {
|
|
_serial->flush();
|
|
last = millis();
|
|
state = 3;
|
|
}
|
|
}
|
|
|
|
} else if (state == 3) {
|
|
|
|
if (_checksum()) {
|
|
|
|
_active = (double) (
|
|
(_data[3]) +
|
|
(_data[4] << 8) +
|
|
(_data[5] << 16) +
|
|
(_data[6] << 24)
|
|
) / _ratioP;
|
|
|
|
_reactive = (double) (
|
|
(_data[7]) +
|
|
(_data[8] << 8) +
|
|
(_data[9] << 16) +
|
|
(_data[10] << 24)
|
|
) / _ratioR;
|
|
|
|
_voltage = (double) (
|
|
(_data[11]) +
|
|
(_data[12] << 8) +
|
|
(_data[13] << 16) +
|
|
(_data[14] << 24)
|
|
) / _ratioV;
|
|
|
|
_current = (double) (
|
|
(_data[15]) +
|
|
(_data[16] << 8) +
|
|
(_data[17] << 16) +
|
|
(_data[18] << 24)
|
|
) / _ratioC;
|
|
|
|
if (_active < 0) _active = 0;
|
|
if (_reactive < 0) _reactive = 0;
|
|
if (_voltage < 0) _voltage = 0;
|
|
if (_current < 0) _current = 0;
|
|
|
|
_apparent = sqrt(_reactive * _reactive + _active * _active);
|
|
|
|
}
|
|
|
|
last = millis();
|
|
index = 0;
|
|
state = 4;
|
|
|
|
} else if (state == 4) {
|
|
|
|
while (_serial->available()) {
|
|
_serial->flush();
|
|
last = millis();
|
|
}
|
|
|
|
if (millis() - last > V9261F_SYNC_INTERVAL) {
|
|
state = 1;
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
bool _checksum() {
|
|
unsigned char checksum = 0;
|
|
for (unsigned char i = 0; i < 19; i++) {
|
|
checksum = checksum + _data[i];
|
|
}
|
|
checksum = ~checksum + 0x33;
|
|
return checksum == _data[19];
|
|
}
|
|
|
|
// ---------------------------------------------------------------------
|
|
|
|
unsigned int _pin_rx = V9261F_PIN;
|
|
bool _inverted = V9261F_PIN_INVERSE;
|
|
SoftwareSerial * _serial = NULL;
|
|
|
|
double _active = 0;
|
|
double _reactive = 0;
|
|
double _voltage = 0;
|
|
double _current = 0;
|
|
double _apparent = 0;
|
|
|
|
double _ratioP = V9261F_POWER_FACTOR;
|
|
double _ratioC = V9261F_CURRENT_FACTOR;
|
|
double _ratioV = V9261F_VOLTAGE_FACTOR;
|
|
double _ratioR = V9261F_RPOWER_FACTOR;
|
|
|
|
unsigned char _data[24];
|
|
|
|
};
|
|
|
|
#endif // SENSOR_SUPPORT && V9261F_SUPPORT
|